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新增App资讯相关接口

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kerwincui
2022-04-14 20:32:28 +08:00
parent 6b759faeb9
commit 81f1ca8a23
11 changed files with 167 additions and 7 deletions
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2
springboot/wumei-iot/src/main/java/com/ruoyi/iot/controller/NewsCategoryController.java
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@@ -121,6 +121,6 @@ public class NewsCategoryController extends BaseController
@ApiOperation("删除新闻分类")
public AjaxResult remove(@PathVariable Long[] categoryIds)
{
return toAjax(newsCategoryService.deleteNewsCategoryByCategoryIds(categoryIds));
return newsCategoryService.deleteNewsCategoryByCategoryIds(categoryIds);
}
}

28
springboot/wumei-iot/src/main/java/com/ruoyi/iot/controller/NewsController.java
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@@ -3,6 +3,7 @@ package com.ruoyi.iot.controller;
import java.util.List;
import javax.servlet.http.HttpServletResponse;
import com.ruoyi.iot.model.CategoryNews;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import org.springframework.security.access.prepost.PreAuthorize;
@@ -51,6 +52,33 @@ public class NewsController extends BaseController
return getDataTable(list);
}
/**
* 查询轮播的新闻资讯
*/
@PreAuthorize("@ss.hasPermi('iot:news:list')")
@GetMapping("/bannerList")
@ApiOperation("轮播新闻列表")
public AjaxResult bannerList()
{
News news=new News();
news.setIsBanner(1);
news.setStatus(1);
List<News> list = newsService.selectNewsList(news);
return AjaxResult.success(list);
}
/**
* 查询置顶的新闻资讯
*/
@PreAuthorize("@ss.hasPermi('iot:news:list')")
@GetMapping("/topList")
@ApiOperation("置顶新闻列表")
public AjaxResult topList()
{
List<CategoryNews> list = newsService.selectTopNewsList();
return AjaxResult.success(list);
}
/**
* 导出新闻资讯列表
*/

8
springboot/wumei-iot/src/main/java/com/ruoyi/iot/mapper/NewsCategoryMapper.java
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@@ -66,4 +66,12 @@ public interface NewsCategoryMapper
* @return 结果
*/
public int deleteNewsCategoryByCategoryIds(Long[] categoryIds);
/**
* 分类下的新闻数量
*
* @param categoryIds 需要删除的数据主键集合
* @return 结果
*/
public int newsCountInCategorys(Long[] categoryIds);
}

7
springboot/wumei-iot/src/main/java/com/ruoyi/iot/mapper/NewsMapper.java
View File

@@ -27,6 +27,13 @@ public interface NewsMapper
*/
public List<News> selectNewsList(News news);
/**
* 查询置顶新闻资讯列表
*
* @return 新闻资讯集合
*/
public List<News> selectTopNewsList();
/**
* 新增新闻资讯
*

49
springboot/wumei-iot/src/main/java/com/ruoyi/iot/model/CategoryNews.java Normal file
View File

@@ -0,0 +1,49 @@
package com.ruoyi.iot.model;
import com.ruoyi.iot.domain.News;
import java.util.ArrayList;
import java.util.List;
/**
* 产品分类的Id和名称输出
*
* @author kerwincui
* @date 2021-12-16
*/
public class CategoryNews
{
private Long categoryId;
private String categoryName;
private List<News> newsList;
public CategoryNews(){
this.newsList=new ArrayList<>();
}
public Long getCategoryId() {
return categoryId;
}
public void setCategoryId(Long categoryId) {
this.categoryId = categoryId;
}
public String getCategoryName() {
return categoryName;
}
public void setCategoryName(String categoryName) {
this.categoryName = categoryName;
}
public List<News> getNewsList() {
return newsList;
}
public void setNewsList(List<News> newsList) {
this.newsList = newsList;
}
}

4
springboot/wumei-iot/src/main/java/com/ruoyi/iot/service/INewsCategoryService.java
View File

@@ -1,6 +1,8 @@
package com.ruoyi.iot.service;
import java.util.List;
import com.ruoyi.common.core.domain.AjaxResult;
import com.ruoyi.iot.domain.NewsCategory;
import com.ruoyi.iot.model.IdAndName;
@@ -57,7 +59,7 @@ public interface INewsCategoryService
* @param categoryIds 需要删除的新闻分类主键集合
* @return 结果
*/
public int deleteNewsCategoryByCategoryIds(Long[] categoryIds);
public AjaxResult deleteNewsCategoryByCategoryIds(Long[] categoryIds);
/**
* 删除新闻分类信息

8
springboot/wumei-iot/src/main/java/com/ruoyi/iot/service/INewsService.java
View File

@@ -2,6 +2,7 @@ package com.ruoyi.iot.service;
import java.util.List;
import com.ruoyi.iot.domain.News;
import com.ruoyi.iot.model.CategoryNews;
/**
* 新闻资讯Service接口
@@ -27,6 +28,13 @@ public interface INewsService
*/
public List<News> selectNewsList(News news);
/**
* 查询置顶新闻资讯列表
*
* @return 新闻资讯集合
*/
public List<CategoryNews> selectTopNewsList();
/**
* 新增新闻资讯
*

13
springboot/wumei-iot/src/main/java/com/ruoyi/iot/service/impl/NewsCategoryServiceImpl.java
View File

@@ -1,6 +1,8 @@
package com.ruoyi.iot.service.impl;
import java.util.List;
import com.ruoyi.common.core.domain.AjaxResult;
import com.ruoyi.common.utils.DateUtils;
import com.ruoyi.iot.model.IdAndName;
import org.springframework.beans.factory.annotation.Autowired;
@@ -89,9 +91,16 @@ public class NewsCategoryServiceImpl implements INewsCategoryService
* @return 结果
*/
@Override
public int deleteNewsCategoryByCategoryIds(Long[] categoryIds)
public AjaxResult deleteNewsCategoryByCategoryIds(Long[] categoryIds)
{
return newsCategoryMapper.deleteNewsCategoryByCategoryIds(categoryIds);
int productCount=newsCategoryMapper.newsCountInCategorys(categoryIds);
if(productCount>0){
return AjaxResult.error("删除失败，请先删除对应分类下的新闻资讯");
}
if(newsCategoryMapper.deleteNewsCategoryByCategoryIds(categoryIds)>0){
return AjaxResult.success("删除成功");
}
return AjaxResult.error("删除失败");
}
/**

35
springboot/wumei-iot/src/main/java/com/ruoyi/iot/service/impl/NewsServiceImpl.java
View File

@@ -1,7 +1,12 @@
package com.ruoyi.iot.service.impl;
import java.util.ArrayList;
import java.util.List;
import com.ruoyi.common.utils.DateUtils;
import com.ruoyi.iot.mapper.NewsCategoryMapper;
import com.ruoyi.iot.model.CategoryNews;
import com.ruoyi.iot.model.IdAndName;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import com.ruoyi.iot.mapper.NewsMapper;
@@ -44,6 +49,36 @@ public class NewsServiceImpl implements INewsService
return newsMapper.selectNewsList(news);
}
/**
* 查询置顶新闻资讯列表
*
* @return 新闻资讯
*/
@Override
public List<CategoryNews> selectTopNewsList()
{
List<CategoryNews> categoryNewsList =new ArrayList<>();
List<News> newsList=newsMapper.selectTopNewsList();
for(int i=0;i<newsList.size();i++){
boolean isAdd=false;
for(int j=0;j<categoryNewsList.size();j++){
if(newsList.get(i).getCategoryId().longValue()==categoryNewsList.get(j).getCategoryId().longValue()){
categoryNewsList.get(j).getNewsList().add(newsList.get(i));
isAdd=true;
break;
}
}
if(!isAdd) {
CategoryNews categoryNews = new CategoryNews();
categoryNews.setCategoryId(newsList.get(i).getCategoryId());
categoryNews.setCategoryName(newsList.get(i).getCategoryName());
categoryNews.getNewsList().add(newsList.get(i));
categoryNewsList.add(categoryNews);
}
}
return categoryNewsList;
}
/**
* 新增新闻资讯
*

7
springboot/wumei-iot/src/main/resources/mapper/iot/NewsCategoryMapper.xml
View File

@@ -93,4 +93,11 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
#{categoryId}
</foreach>
</delete>
<select id="newsCountInCategorys" parameterType="String" resultType="int">
select count(*) from news where category_id in
<foreach item="categoryId" collection="array" open="(" separator="," close=")">
#{categoryId}
</foreach>
</select>
</mapper>

13
springboot/wumei-iot/src/main/resources/mapper/iot/NewsMapper.xml
View File

@@ -24,7 +24,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
</resultMap>
<sql id="selectNewsVo">
select news_id, title, content, img_url, is_top, is_banner, category_id, category_name, status, author, del_flag, create_by, create_time, update_by, update_time, remark from news
select news_id, title, img_url, is_top, is_banner, category_id, category_name, status, author, del_flag, create_by, create_time, update_by, update_time, remark from news
</sql>
<select id="selectNewsList" parameterType="News" resultMap="NewsResult">
@@ -33,14 +33,21 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
<if test="title != null and title != ''"> and title = #{title}</if>
<if test="isTop != null "> and is_top = #{isTop}</if>
<if test="isBanner != null "> and is_banner = #{isBanner}</if>
<if test="categoryName != null and categoryName != ''"> and catgory_name like concat('%', #{categoryName}, '%')</if>
<if test="categoryName != null and categoryName != ''"> and category_name like concat('%', #{categoryName}, '%')</if>
<if test="status != null "> and status = #{status}</if>
</where>
order by create_time desc
</select>
<select id="selectTopNewsList" parameterType="News" resultMap="NewsResult">
select n.news_id, n.title, n.img_url, n.is_top, n.is_banner, n.category_id, c.category_name, n.status, n.author, n.create_time, n.remark
from news n left join news_category c on c.category_id=n.category_id
where is_top=1 and status=1
order by create_time desc
</select>
<select id="selectNewsByNewsId" parameterType="Long" resultMap="NewsResult">
<include refid="selectNewsVo"/>
select news_id, title, content, img_url, is_top, is_banner, category_id, category_name, status, author, del_flag, create_by, create_time, update_by, update_time, remark from news
where news_id = #{newsId}
</select>